PRODUCTION - 24 April 2026, North Rhine-Westphalia, Duisburg: The sculpture Rheinorange by Cologne sculptor Lutz Fritsch stands at the mouth of the Ruhr (r) into the Rhine (l). The Ruhr Valley cycle path from Winterberg to Duisburg was opened 20 years ago on April 30, 2006. Photo: Oliver Berg/dpa (P